We could have turned them into other creatures on the spot had We wanted and they would not have been able to precede or turn back.
और अगर हम चाहे तो जहाँ ये हैं (वहीं) उनकी सूरतें बदल (करके) (पत्थर मिट्टी बना) दें फिर न तो उनमें आगे जाने का क़ाबू रहे और न (घर) लौट सकें